Uninterrupted power supply



FIG. 1 is a front, top and right perspective view of an uninterruptedpower supply showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for an uninterrupted power supply, as shown.